The DSOKids site is great for looking at the different instruments in a band, with pictures and music samples. Use the "Listen by Instrument" page to listen to woodwind, brass, etc.
Songs
In 2013 my 3/4 class learnt the following songs (with help from one of our talented teachers who sang and played the piano):
Mamas and the Papas "California Dreaming": YouTube video
Songs
In 2013 my 3/4 class learnt the following songs (with help from one of our talented teachers who sang and played the piano):